2022256 has 20 divisors (see below), whose sum is σ = 3961552. Its totient is φ = 999936.

The previous prime is 2022253. The next prime is 2022263. The reversal of 2022256 is 6522202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901 + ... + 2203.

2^2022256 is an apocalyptic number.

It is an amenable number.

2022256 is a deficient number, since it is larger than the sum of its proper divisors (1939296).

2022256 is a wasteful number, since it uses less digits than its factorization.

2022256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2022256 is about 1422.0604769137. The cubic root of 2022256 is about 126.4577287978.

Adding to 2022256 its reverse (6522202), we get a palindrome (8544458).

It can be divided in two parts, 2022 and 256, that added together give a triangular number (2278 = T₆₇).

The spelling of 2022256 in words is "two million, twenty-two thousand, two hundred fifty-six".